Randfontein weather in August

In August, Randfontein sees average daytime highs of 21°C and overnight lows near 7°C, with 10 mm of rain across 1.9 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 83% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Randfontein's 3rd-clearest and 4th-windiest month. For the whole year in context, see Randfontein's year-round climate.

Daytime high
21°
9th warmest
Overnight low
3rd coldest
Rainfall
10 mm
1.9 wet days
Daylight
11 h 06 min
6:41 AM – 5:45 PM
Cloud cover
17%
3rd clearest
Wind
12 km/h
4th windiest
Solar energy
5 kWh/m²
Travel score
8.5
out of 10

Randfontein is town.

Founded
1890

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 22°C by the end.

A typical August day in Randfontein reaches about 21°C in the afternoon and slips back to 7°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, August runs about 3°C warmer than July and about 4°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1195
2195
3195
4205
5205
6205
7205
8205
9206
10206
11206
12206
13206
14216
15216
16216
17217
18217
19217
20217
21217
22217
23227
24228
25228
26228
27228
28228
29238
30238
31239

Randfontein weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°13216.913.55.8
Feb26° / 16°11714.212.96.1
Mar24° / 14°9012.812.26.7
Apr22° / 11°457.411.47.4
May20° / 183.110.78.1
Jun18° / 81.410.47.9
Jul18° / 30.810.58.0
Aug21° / 101.911.18.5
Sep24° / 10°213.411.88.6
Oct25° / 13°7310.412.67.1
Nov26° / 14°9913.913.36.2
Dec26° / 15°14118.513.65.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3919
4919
59010
69010
79010
88911
98911
108911
119010
129010
139010
149010
15919
16919
179010
189010
199010
209010
219010
229010
239010
249010
259010
269010
279010
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Randfontein gets around 10 mm of rain over 1.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
125
135
145
155
165
176
186
196
206
216
227
237
247
257
267
277
287
297
307
318

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 6:53 AM to 6:26 AM, and sunset from 5:38 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:535:38
210.86:525:38
310.86:515:39
410.86:515:39
510.86:505:40
610.96:495:41
710.96:485:41
810.96:485:42
910.96:475:42
1010.96:465:42
1111.06:455:43
1211.06:455:43
1311.06:445:44
1411.06:435:44
1511.06:425:45
1611.16:415:45
1711.16:405:46
1811.16:395:46
1911.16:385:47
2011.26:375:47
2111.26:375:48
2211.26:365:48
2311.26:355:49
2411.36:345:49
2511.36:335:50
2611.36:325:50
2711.36:305:50
2811.46:295:51
2911.46:285:51
3011.46:275:52
3111.46:265:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.88 kWh/m² in December across the year — August's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.6Bright
Planning a trip in August

Hazard calendar for Randfontein

In seasonPeak

None of Randfontein's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Randfontein's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Randfontein?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.5
Sightseeing
2nd-best month of the year
5.0
Beach & pool
9th-best month of the year

August is one of the better times to visit Randfontein for general sightseeing.

What to pack for Randfontein in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Randfontein sees daytime highs around 21°C and nights near 7°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Randfontein in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Randfontein peaks around January 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 11UV 14Jun 19UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Randfontein in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Randfontein is worst in June — around 283 µg/m³ PM2.5 (very unhealthy), about 5.7× the cleanest month (January, 50 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210240270300JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyJun 19282 µg/m³Jan 1251 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb72Unhealthy
Mar119Unhealthy
Apr177Very unhealthy
May261Very unhealthy
Jun283Very unhealthy
Jul275Very unhealthy
Aug213Very unhealthy
Sep156Very unhealthy
Oct99Unhealthy
Nov70Unhealthy
Dec55Poor
Location & terrain

Where is Randfontein?

Randfontein sits at 26.2°S, 27.7°E, 1,716 m above sea level, in South Africa. The nearest listed city is Krugersdorp, 13 km away.

Topography around Randfontein

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Randfontein.

Within 3 km, the terrain around Randfontein has only modest variations in elevation — a maximum elevation change of 105 m around an average of 1,705 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 364 m; within 80 km, large variations in elevation — a maximum elevation change of 900 m.

The land around Randfontein is covered by grassland (46%) and artificial surfaces (40%) within 3 km, grassland (57%) within 16 km, and grassland (56%) within 80 km.

3 km
105 m
16 km
364 m
80 km
900 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Krugersdorp 13 km · Bagale 14 km · Westonaria 16 km · Roodepoort 17 km · Soweto 18 km · Randburg 32 km · Johannesburg 34 km · Carletonville 36 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Randfontein (-26.1844°, 27.702°, elevation 1,716 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).